Home / 5,211,254.89-7,191,532.43-2,888,297.38

Finding the Fourth Proportional to 5,211,254.89, 7,191,532.43 and 2,888,297.38

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Solution

The fourth proportional to 5,211,254.89, 7,191,532.43 and 2,888,297.38 is: 3,985,850.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,211,254.89 : 7,191,532.43 = 2,888,297.38 : x
  2. Step 2: Convert to fraction form
    5,211,254.89/7,191,532.43 = 2,888,297.38/x
  3. Step 3: Cross multiply
    5,211,254.89x = 7,191,532.43 × 2,888,297.38
  4. Step 4: Simplify right side
    5,211,254.89x = 20,771,284,300,953.61
  5. Step 5: Solve for x
    x = 20,771,284,300,953.61/5,211,254.89
  6. Step 6: Final answer
    x = 3,985,850.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.